Systematic uncertainties in the characterization of helium-dominated metal-polluted white dwarf atmospheres
White dwarf photospheric parameters are usually obtained by means of spectroscopic or photometric analysis. These results are not always consistent with each other, with the published values often including just the statistical uncertainties. The differences are more dramatic for white dwarfs with helium-dominated photospheres, so to obtain
Izquierdo, Paula et al.
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2023